![METAL ON WOOD](https://modelist-konstruktor.com/img/4949/1.jpg)
What does a person do when solid food is “too hard”? Goes on soft! Here also it is necessary to do with an old or broken drill bit for metal. Sharpen its end, as shown in the figure, and it long will serve you faithfully, but to work with softer materials: wood, Plexiglas, plastics.
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